Yep,found it, it was the one with Erhep and Haaro

There is an area surrounded by walls with some graves in the NW; the chest from what I recall is in the SE corner of that area

In fact i've found that. With that there should be 11 dug treasures.
But still, the statistic says 10/11.
As a matter of fact, does anyone got 11/11 ?

no, i've found the one with "uhu ko na" stuff

I'm searching for one last buried treasure (i have 10/11) The ones i've found so far: - beach: near the tree - 2 in twigroot: between lanterns; the one with directions in foreign language - river: a bit southeast of broken bridge - bog: between four statues - island: near ruins entrance with view to...